<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>添加图片边框</title>
  <script src="./js/jquery-3.6.1.min.js"></script>
  <script src="./js/task6.js"></script>
</head>
<body>
<img src="./img/pic2.gif" alt="" />
</body>
</html>